获取文档标注记录

GET /notes/recordings/{session_key}

请求：

GET /notes/recordings/324243643

响应：

{
    "code": "RESPONSE_SUCCESS",
    "data": {
        "counts": 1,
        "recordings": [
        {
            "content_type": "video/mp4",
            "content_length": 16222361,
            "download_url": "https://www.betalk.com/board/BWzTpoV84WTFlKaicYvQ92L/698",
            "created_time": 13988241423395
        }
        ]
    }
}